Glen-L doesnt really offer frame kits anymore. They decided a few years back to get out of them when their shop formen retired. Now with that...
depending on what glue they used to attach the floor to the stringers you might be able to use a heat gun to heat the glue up so you can scrape...
unfortunately the transom is leaning the wrong way for an outboard. If you go that route your definately going to need a wedge to get the right...
How did you drill the shaft hole? Did you mount the strut in the proper location and use it to guide the drill or did you just take the dimension...
I believe he said he has tried 150kgs (336lbs) in the rear and that didnt help. Possibly the tabs would make the difference but the "right" way...
Brian, I read your posts on the Glen-L site and here and this is what I think. Your prop is in the wrong spot. It is way too far forward it...